You may be able to use tar to create a system backup that will fit on a recordableDVD, once compressed; however, most modern systems have enough user data that a single DVD won't hold it all.
It clone any of your DVD movies to a single recordableDVD disc with amazing high speed and top quality.
它克隆你的DVD电影的任何一个单一的可录d VD以惊人的高速，高品质的光盘。
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Out of all the recordableDVD formats, the DVD-RAM has the highest data security as it possesses an engraved sectoring and an elaborate fault management, like hard discs.